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Finding the Fourth Proportional to 240,794.64, 332,293.23 and 138,820.28

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Solution

The fourth proportional to 240,794.64, 332,293.23 and 138,820.28 is: 191,570.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,794.64 : 332,293.23 = 138,820.28 : x
  2. Step 2: Convert to fraction form
    240,794.64/332,293.23 = 138,820.28/x
  3. Step 3: Cross multiply
    240,794.64x = 332,293.23 × 138,820.28
  4. Step 4: Simplify right side
    240,794.64x = 46,129,037,569.24
  5. Step 5: Solve for x
    x = 46,129,037,569.24/240,794.64
  6. Step 6: Final answer
    x = 191,570.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.